CN110056570A - Ball bearing, the cloverleaf thrust bearing arrangement including the bearing and drivetrain system - Google Patents

Ball bearing, the cloverleaf thrust bearing arrangement including the bearing and drivetrain system Download PDF

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Publication number
CN110056570A
CN110056570A CN201811245180.4A CN201811245180A CN110056570A CN 110056570 A CN110056570 A CN 110056570A CN 201811245180 A CN201811245180 A CN 201811245180A CN 110056570 A CN110056570 A CN 110056570A
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CN
China
Prior art keywords
ball bearing
ring
axially
cloverleaf
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811245180.4A
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Chinese (zh)
Other versions
CN110056570B (en
Inventor
贝诺特·阿尔诺
萨穆埃尔·维奥特
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SKF AB
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SKF AB
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Filing date
Publication date
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Publication of CN110056570A publication Critical patent/CN110056570A/en
Application granted granted Critical
Publication of CN110056570B publication Critical patent/CN110056570B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/62—Selection of substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
    • F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • F16D25/083—Actuators therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • F16D25/087—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation the clutch being actuated by the fluid-actuated member via a diaphragm spring or an equivalent array of levers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/43—Clutches, e.g. disengaging bearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Rolling Contact Bearings (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Mechanical Operated Clutches (AREA)
  • Support Of The Bearing (AREA)

Abstract

The present invention relates to a kind of ball bearing (4) and include the bearing (4) cloverleaf thrust bearing arrangement (1).The invention further relates to the drivetrain system that one kind includes this device (1), the system is provided to the a11wheel drive drivetrain system of motor vehicles.Ball bearing (4) includes: fixed inner ring (16), can bear against the piston (6) being axially movable；Rotatable outer ring (17)；A series of balls (18) between circle (16,17).Rotatable outer ring (17) further includes the folded portion (28) that can bear against elastic force-applying component (7).

Description

Ball bearing, the cloverleaf thrust bearing arrangement including the bearing and drivetrain system
Technical field
The present invention relates to a kind of ball bearing and the cloverleaf thrust bearing arrangement including the bearing.The invention further relates to one kind Drivetrain system including the device, the full wheel that the system is provided to (/ be set to) (provided to) motor vehicles drive Dynamic (all-wheel drive) drivetrain system.
Background technique
A11wheel drive drivetrain system for motor vehicles generally includes the main forerunner coupled with auxiliary or rear drive wheel shaft Driving wheel axis.
When only two (vehicle) wheels of four-wheel car are as driving wheel operation, after including rear drive wheel shaft and rear wheel Drive system can disconnect (/ disconnect) with the front drive system for including front driving wheel axis and front vehicle wheel.Furthermore, it is possible to the phase It hopes, only one in rear wheel or both is disconnected according to the operational mode of motor vehicles.
For this purpose it is known that providing a kind of rear drive module for rear drive system, the rear drive module includes clutch Thrust brake distributes torque between front axle and hind axle (/ preceding bridge and rear axle) and between two wheels with (being used for). Drive system after cloverleaf thrust device can also disconnect, wheel are disengaged (uncoupled) with power train.It is driven after it is known that Module includes two clutches, and each clutch can be such that a rear wheel and power train disconnects.
This rear drive module enables motor vehicles to have cross-country power and highway (on-road) high-performance, especially It is there is effective stability, effective dynamic operation and there are also low fuel consumption.
Advantageously, cloverleaf thrust device is well-known more template formulas and lives including being axially movable () Plug, the piston are arranged in and (are located at) in the cavity between clutch bearing and shell, which is connected to hydraulic fluid source, Hydraulic fluid source can changeably provide pressure fluid in cavity, so that the piston is axially moved.Cloverleaf thrust device Further include elastic force-applying component, axial pretightening (/ preload) (preload) is applied on clutch bearing.The clutch Device bearing can be axially moved by piston motion, then activate the coupling member engaged with plate.It is known multiple using having The clutch bearing of needle roller.
It is expected that further improving the performance of the rear drive module, especially by (especially clutch shaft in limitation module In holding) friction torque further decrease fuel consumption in vehicles.
Summary of the invention
The purpose of the present invention is overcoming these disadvantages by proposing a kind of ball bearing, which is especially used for motor-driven Axial force can be transmitted to elastic force-applying structure from the piston being axially movable by the rear drive module of the drivetrain system of vehicle Part, friction torque reduces, and manufacturing process is simple and at low cost.
For this purpose, the ball bearing includes: fixed inner ring, rotatable outer ring and position the present invention relates to a kind of ball bearing A series of balls in the raceway room limited between circle.Fixed inner ring includes: the outer circle for foring the interior rollaway nest of ball The ring part of ring surface, and the radial component extended radially outwards from the ring part, the radial component has can Bear against the axially contact surface for being axially movable piston.Rotatable outer ring include: form ball outer rollaway nest it is interior The ring part of ring textures.
According to the present invention, the rotatable outer ring further includes folded portion.The folded portion is from the ring part Outside it is axially extending and folded towards the outer surface axially opposing with the outer rollaway nest of the ring part.Set up separately folding part It is equipped with free end, the free end has the axially contact surface that can bear against elastic force-applying component.
According to the present invention advantageous but optional another aspect, this ball bearing may include in next feature It is one or several:
Ball bearing further includes annular retainer, which includes multiple chamber lattice for respectively accommodating ball.
The rotatable outer ring further include from the inside of the ring part () radial part that extends radially inward Point.
The folded portion is ring-shaped.
The folded portion is tongue discrete and including multiple foldings, and the free end of the tongue respectively has The axially contact surface of elastic force-applying component can be born against.
Folded portion is folded into the outer surface axially opposing with outer rollaway nest for directly contacting the ring part.
Inner ring and outer ring is made of tempered steel.
The invention further relates to a kind of cloverleaf thrust bearing arrangements comprising: the piston being axially movable, piston arrangement In cavity between () shell and ball bearing according to any one of aforementioned embodiments, which is connected to liquid Fluid source is pressed, the hydraulic fluid source changeably can provide pressure fluid in cavity so that the piston is axially moved；Bullet Property biasing member, axial pretightening (preload) is applied on the ball bearing, the ball bearing can pass through piston motion And be axially moved, then elasticity of compression biasing member, activates the coupling member engaged with plate.
Advantageously, elastic force-applying component is waveform spring (wavy spring).
The invention further relates to a kind of drivetrain systems of motor vehicles, including this cloverleaf thrust axis according to the present invention Bearing apparatus, for connecting or disconnecting at least one wheel with the drivetrain system.
Advantageously, drivetrain system includes: front drive system comprising front driving wheel axis and front vehicle wheel；With rear driving System comprising rear drive wheel shaft, rear drive module and rear wheel, the rear drive module are stopped with clutch according to the present invention Push shaft bearing apparatus connect (in series) setting, each cloverleaf thrust bearing arrangement can selectively with the rear car One of wheel connects or disconnects.
Detailed description of the invention
The present invention will be now explained in conjunction with unique attached drawing, attached drawing limits mesh of the invention as illustrated examples 's.Fig. 1 be include ball bearing according to the present invention cloverleaf thrust bearing arrangement axial cross section.
Specific embodiment
Cloverleaf thrust bearing arrangement (/ clutch thrust bearing device) (clutch thrust bearing device) 1 is advantageously integrated in the drivetrain system (driveline system) of unshowned motor vehicles.Cloverleaf thrust axis Bearing apparatus 1 is substantially ring-shaped and centered on central axis.
Cloverleaf thrust bearing arrangement 1 includes: fixed () shell (/ seat) (housing) 3；Ball bearing 4；The fixation Shell 3 and ball bearing 4 limit cavity 5, the piston 6 for being axially movable (/ mobile) is arranged in cavity 5；With it is elastic force-applying Component 7, mode by a dotted line are shown, for example, waveform spring.
Shell 3 is fixed, and advantageously shell 3 is one of rear drive module for being set to drivetrain system Point.Shell includes the ring-shaped chamber 5 centered on central axis.Cavity 5 be limited at two lateral sidewalls 8,9 and bottom surface 10 it Between, the cavity 5 is to 4 axially open of ball bearing (/ open wide).
Piston 6 is ring-shaped, centered on central axis and is arranged in the cavity 5 of shell 3.Piston 6 is included in appearance The approximately radial part 11 radially extended between two lateral sidewalls 8,9 of chamber 5.Advantageously, piston 6 further includes being set to radial direction The interior seal member 12 of the inner hole of part 11, the seal member are provided with the sealing with 8 sliding contact of lateral sidewall of cavity 5 Lip.Piston further includes the external seal component 13 for being set to the outside of radial component 11, and the seal member is provided with and cavity 5 The sealing lip of 9 sliding contact of lateral sidewall.
Piston 6, lateral sidewall 8 and 9 and bottom surface 10 limit sealing () cavity 14.At least one channel 15 is set Across shell 3, so that connecting sealed volume 14 with hydraulic fluid source (not shown), hydraulic fluid source can be in sealed volume Pressure fluid is changeably provided in 14, so that the piston 6 is axially moved.
In the present embodiment, the approximately radial part 11 of piston 6 has the shape being adapted to ball bearing 4.As another Kind selection, approximately radial part 11 can have any other proper shape.
Ball bearing 4 is ring-shaped and centered on central axis.Ball bearing 4 is at least partially disposed at the appearance of shell 3 In chamber 5, piston 6 is in the axial direction between the bottom surface 11 and ball bearing 4 of the cavity 5.The lateral sidewall 8,9 of cavity 5 allows Ball bearing 4 is laterally guided.
Ball bearing 4 includes: fixed inner ring 16；Rotatable outer ring 17；With a series of balls 18, it is located in circle 16,17 Between in the raceway room 19 that limits.Compared with being provided with the rolling bearing of other patterns of roller or needle roller, it is provided with ball 18 Ball bearing 4 as the rolling element between circle 16,17 has reduced friction torque.
Fixed () inner ring 16 includes: the ring part of the outer circle ring surface 21 for the interior rollaway nest for foring ball 18 (toroidal)20；With the radial component 22 extended radially outwards from the ring part 20.The radial component 22 has branch Hold the axially contact surface 23 that () piston 6 is axially movable against (bearing against).Ball bearing 4 is configured to lead to Piston 6 is crossed to the movement transmitting on the axially contact surface 23 of fixed inner ring 16 and in axial movement.
Rotatable () outer ring 17 includes: the ring part 24 of the inner circle ring surface 25 for the outer rollaway nest for foring ball 18.
Advantageously, rotatable () outer ring 17 further includes the diameter extended radially outwards from the inside of the ring part 24 To part 26.The radial component 26 has axially contact surface 27.
In addition, the contact surface 27 forms abutment surface to limit the maximum value of the axial displacement of the ball bearing 4.It can The radial component 26 of the outer ring 17 of rotation allows to prevent ball bearing 4 from deviating from (escape) from cavity 5, is then prevented from and is provided with pressure The sealed volume 14 of force flow body opens (/ open wide) (open).
According to the present invention, rotatable outer ring 17 further includes folded portion 28.Folded portion 28 is outside ring part 24 Side is axially extending.In the present embodiment, the part 28 be folded into directly contact the ring part 24 (with outer rollaway nest 25 is axially opposing) outer surface 29.Alternatively, the part 28 towards outer surface 29 fold so that at them it Between leaving gap.
Folded portion 28 is provided with free end 30, and free end 30, which has, bears against the axially contact of elastic force-applying component 7 Surface 31.The axial movement of piston 6 can be transmitted to (/ be converted into) (transferred into) elastic force-applying by following The compression of component 7: pass through the axially contact table of the inner ring 16 of intermediate (/ as intermediary) continuous (/ a sequence of) fixation The axially contact surface 31 of the folded portion 28 in face 23, ball 18 and outer ring 17.
According to embodiment of the present invention, folded portion 28 is ring-shaped.According to a selectable embodiment, Folded portion is tongue that is discrete and being provided with multiple foldings, and each of described tongue is provided with end, the end Portion has the axially contact surface for bearing against elastic force-applying component.
Advantageously, inner ring 16 and outer ring 17 are made of tempered steel.Circle 16,17 is advantageously by metal slabs (metal Blanksheet it) is stamped to form, and there is simple and cost-effective structure.Cloverleaf thrust bearing arrangement does not need additionally Element or have the element of complicated shape to ensure to be connected and disconnected from function.Cloverleaf thrust bearing arrangement 1 works as follows:
The axial movement of piston 6 is transmitted to (transferred to) ball bearing 4, and rear drive module and power train system System connect/disconnect by the sealing room 14 supply pressure fluid activate (/ start) (actuated).
When pressure fluid is supplied in sealing room 14 by the channel 15 of shell 3, piston 6 is by the fluid forces.It is living Forward be axially moved is transmitted to ball bearing by the contact surface 23 of intermediate (/ as intermediary) inner ring 16 by plug 6 4.The contact surface 27 of outer ring 17 activates the coupling member (not shown) engaged with plate (not shown), and a wheel is connected to The drivetrain system of vehicle.Elastic force-applying component 7 is axially compressed by following: being transported axially forward by ball bearing 4 () It is dynamic, pass through the contact surface 31 of the folded portion 28 of intermediate (/ as intermediary) outer ring 17.
When pressure fluid is no longer supplied to the sealing room 14, (/ conduct is intermediate by intermediate for elastic force-applying component 7 Object) surface 31 of folded portion 28 pushes the ball bearing 4 to be axially moved to returning.The contact surface 27 of outer ring 17 no longer activates connection Connection member disconnects a wheel and the drivetrain system.Piston 6 passes through intermediate (/ as intermediary) inner ring 16 Contact surface 23 and be pushed back to its initial position, seal the fluid in room 14 by channel 15 and leave (removed).
Advantageously, ball bearing 4 further includes annular retainer 32, retainer 32 includes multiple chamber lattice (/ pocket hole), each chamber lattice Accommodate ball 18.Then ball 18 is circumferentially equably spaced and is kept.
Representative non-limiting example of the invention is described in detail above by reference to attached drawing.The detailed description is meant only to teach The further details of preferred aspect of the those skilled in the art for practicing this introduction are led, and are not intended to limit model of the invention It encloses.In addition, each supplementary features disclosed above and introduction, which can be used alone or combined with other feature and introduction, to be made With to provide improved ball bearing.
In addition, each feature of above-mentioned representative example and following each independence and subordinate technical solution can be not have The mode that body is clearly enumerated combines, in order to provide the other useful embodiment of this introduction.

Claims (9)

1. a kind of ball bearing (4), comprising:
Fixed inner ring (16), comprising: form the ring part of the outer circle ring surface (21) of the interior rollaway nest of ball (18) (20)；With the radial component (22) extended radially outwards from the ring part (20), the radial component (22) has can The axially contact surface (23) for being axially movable piston (6) is born against,
Rotatable outer ring (17), comprising: form the ring part of the inner circle ring surface (25) of the outer rollaway nest of ball (18) (24), and
A series of balls (18) are located in the raceway room (19) limited between circle (16,17),
It is characterized in that, the rotatable outer ring (17) further includes folded portion (28), the folded portion (28) is from described The outside of ring part (24) is axially extending and towards the axially opposing with the outer rollaway nest (25) of the ring part (24) Outer surface (29) folds, and the folded portion (28) is provided with free end (30), the free end (30) have can support to By the axially contact surface (31) of elastic force-applying component (7).
2. ball bearing according to claim 1, which is characterized in that the rotatable outer ring (17) further includes from the circle The radial component (26) extended radially inward on the inside of loop section (24).
3. the ball bearing according to preceding claims 1 or 2, which is characterized in that the folded portion (28) is ring-shaped.
4. the ball bearing according to preceding claims 1 or 2, which is characterized in that the folded portion (28) be it is discrete and And the tongue including multiple foldings, the free end (30) of the tongue respectively have and can bear against elastic force-applying component (7) Axially contact surface (31).
5. ball bearing according to any one of the preceding claims, which is characterized in that the inner ring (16) and described outer Circle (17) is made of tempered steel.
6. a kind of cloverleaf thrust bearing arrangement (1), comprising:
Shell (3),
Ball bearing (4) according to any one of the preceding claims,
The piston (6) being axially movable is arranged in the cavity (5) between the shell (3) and the ball bearing (4) Nei, should Piston cavity (5) is connected to hydraulic fluid source, and the hydraulic fluid source can changeably provide pressure current in the cavity (5) Body so that the piston (6) be axially moved, and
Elastic force-applying component (7), axial pretightening is applied on the ball bearing (4), and the ball bearing (4) can pass through Piston motion and be axially moved, then compress the elastic force-applying component (7), activate the coupling member engaged with plate.
7. cloverleaf thrust bearing arrangement according to claim 6, which is characterized in that the elastic force-applying component (7) is Waveform spring.
8. a kind of drivetrain system of motor vehicles, including cloverleaf thrust according to any one of the preceding claims Bearing arrangement (1), for selectively connecting or disconnecting at least one wheel and the drivetrain system.
9. drivetrain system according to claim 8, comprising: front drive system comprising front driving wheel axis and front vehicle wheel； With rear drive system comprising rear drive wheel shaft, rear drive module and rear wheel, the rear drive module with according to aforementioned right It is required that any one of described in cloverleaf thrust bearing arrangement (1) be arranged in series, each cloverleaf thrust bearing arrangement (1) It can selectively be connected or disconnected with one of the rear wheel.
CN201811245180.4A 2018-01-18 2018-10-24 Ball bearing, clutch thrust bearing device comprising same and drive train system Active CN110056570B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018200783.7A DE102018200783A1 (en) 2018-01-18 2018-01-18 Ball bearing, clutch pressure bearing device with such a bearing, and drive train system with such a device
DE102018200783.7 2018-01-18

Publications (2)

Publication Number Publication Date
CN110056570A true CN110056570A (en) 2019-07-26
CN110056570B CN110056570B (en) 2022-06-07

Family

ID=67068459

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811245180.4A Active CN110056570B (en) 2018-01-18 2018-10-24 Ball bearing, clutch thrust bearing device comprising same and drive train system

Country Status (4)

Country Link
US (1) US10663002B2 (en)
JP (1) JP7160631B2 (en)
CN (1) CN110056570B (en)
DE (1) DE102018200783A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018202991A1 (en) 2018-02-28 2019-08-29 Aktiebolaget Skf Ball bearing, clutch pressure bearing device with such a bearing and drive train system with such a device
DE102019207679A1 (en) 2019-05-24 2020-11-26 Aktiebolaget Skf Sealed clutch thrust bearing device and drive shaft system with such a device
DE102019208470A1 (en) 2019-06-11 2020-12-17 Aktiebolaget Skf Sealed clutch thrust bearing device and drive shaft system with such a device

Citations (12)

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EP1367281A1 (en) * 2002-05-28 2003-12-03 Aktiebolaget SKF Clutch release bearing with insert for attack element
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CN106996428A (en) * 2016-01-25 2017-08-01 法雷奥离合器公司 Particularly for the clutch stop part of motor vehicles

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CN102434599A (en) * 2010-06-09 2012-05-02 Skf公司 Clutch-release bearing device including a wear ring
JP2015031391A (en) * 2013-08-07 2015-02-16 株式会社ジェイテクト Clutch release bearing device
CN106996428A (en) * 2016-01-25 2017-08-01 法雷奥离合器公司 Particularly for the clutch stop part of motor vehicles

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JP2019124348A (en) 2019-07-25
US10663002B2 (en) 2020-05-26
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JP7160631B2 (en) 2022-10-25
CN110056570B (en) 2022-06-07

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